Diesel in the valley of an OBS 7.3L doesn't automatically mean the fuel bowl is leaking. Unlike the later Super Duty, the OBS uses a two-stage mechanical fuel pump in the engine valley, along with sev … read more

The 7.3 Powerstroke fuel filter is one of the cheapest parts on the truck, but it protects one of the most expensive systems. A restricted or poor-quality filter can reduce fuel pressure, cause rough … read more

The IPR is one of the main players in the 6.0L Powerstroke high-pressure oil system, and even though they're very commonly replaced, they're actually very robust parts. Proper diag is often skipped wh … read more

The 6.0L Powerstroke EGR cooler has a bad reputation, but the cooler itself is not always where the problem starts. In a lot of cases, the real failure begins with a restricted engine oil cooler. Due … read more

The 7.3 Powerstroke Econoline turbo inlet hose is specific to the van only. The E-Series intake layout is different from an F-Series truck, and the hose shape is different too. Riffraff’s replac … read more